WV-7012HD New Design portable COFDM AV receiver(with sweep-frequency function),has advantages of small size and lightweight.Support high speed mobile transmission and NLOS reception.Using 7 inch TFT high resolution touch control and display,and providing concise control experience and perfect image,while adding spectrum scan function that can quick to search the current area caused by the same frequency interference from surrounding equipments which can provide reference quick data for installation.The product widely used in secuirty,fire,broadcasting and TV,emergency communications and other industries.